diff --git a/Song tool.lua b/Song tool.lua
index 9f8be59..090ce53 100644
--- a/Song tool.lua	
+++ b/Song tool.lua	
@@ -19,7 +19,7 @@ local song_bpm = 120
 local song_page_num = 1
 local main_sequence_location = 1
 
-function CreatorMenu()
+local function CreatorMenu()
   local inputs = {
     {name = "Song Name", value = song_name, maxTextLength = 50},
     {name = "BPM", value = tostring(song_bpm), whiteFilter = "0123456789"},
@@ -154,7 +154,7 @@ local function LimitReachedMenu(main_sequence_no)
   end
 end
 
-function StartPointerCueSelectionMenu(main_sequence_no)
+local function StartPointerCueSelectionMenu(main_sequence_no)
   local cues = ObjectList('Sequence '..main_sequence_no..' Cue Thru')
   local cueTable = {}
 
@@ -226,7 +226,7 @@ function StartPointerCueSelectionMenu(main_sequence_no)
   end
 end
 
-function StartPointMenu()
+local function StartPointMenu()
   local sequences = ObjectList('Sequence Thru')
   local main_sequences = {}
   for i = 1, tablelength(sequences) do
@@ -308,7 +308,7 @@ end
 
 -- Main menu
 
-function main(display_handle, args)
+local function main(display_handle, args)
   debug_print(tostring(args))
   if args then
     local cues = SelectedSequence():Children()